1 . There is no doubt ______ she not only has profound knowledge and ________ (advance) ideas but also has strict attitude ________ teaching and flexible teaching methods, ________ (create) a pleasant atmosphere. （所给词的适当形式填空）

2 . ___________ (resign) from the company established himself, the successful businessman devotes himself to the application of cloud computing. (所给词的适当形式填空)

3 . After we had sent satellites into space, we began to wonder whether it was safe for a human to go into space.
→_____________ (having done结构)

4 . 中国古典园林像一朵朵盛开的鲜花，展现了惊人的美丽。（用非谓语形式）（汉译英）

5 . 我们时不时电话联系，知晓对方的动态。
________ ________ ________by phone from time to time, we know about each other quite well.

6 . 荷花（lotus flower）迎骄阳而不惧，出污泥而不染，象征纯洁、高雅。（characterize）

7 . 由于缺乏受过专业训练的教师，一些美国学校很难加入汉语教学的竞争。(shortage) （汉译英）

8 . 当你做错事情时，向别人道歉是很有礼貌的。(翻译句子)

9 . In his pioneering work, David explains how languages come into being, _______ (argue) that children are the driving force. (所给词的适当形式填空)

10 . 秘书工作到深夜，为总统准备长篇演讲。
The secretary worked late into the night, ____________________________.